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move html mail specific part of translation class to Api\Mail\Html

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This commit is contained in:
Ralf Becker 2016-03-28 19:38:21 +00:00
parent 1bf9c25cba
commit 5f68bc6664
4 changed files with 534 additions and 440 deletions
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11
api/src/Html/HtmLawed.php
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@ -14,9 +14,6 @@ namespace EGroupware\Api\Html;
use EGroupware\Api; use EGroupware\Api;
// explicitly name old, not yet converted api classes
use translation; // mail specific stuff not in Api\Translation
require_once(__DIR__.'/htmLawed/htmLawed.php'); require_once(__DIR__.'/htmLawed/htmLawed.php');
/** /**
@ -141,7 +138,7 @@ class HtmLawed
{ {
//error_log(__METHOD__.__LINE__.array2string($newStyle[0])); //error_log(__METHOD__.__LINE__.array2string($newStyle[0]));
$style2buffer = implode('',$newStyle[0]); $style2buffer = implode('',$newStyle[0]);
// only replace what we have found, we use it here, as we use the same routine in translation::replaceTagsCompletley // only replace what we have found, we use it here, as we use the same routine in Api\Mail\Html::replaceTagsCompletley
// no need to do the extra routine // no need to do the extra routine
$html = str_ireplace($newStyle[0],'',$html); $html = str_ireplace($newStyle[0],'',$html);
} }
@ -170,15 +167,15 @@ class HtmLawed
// CSS Security // CSS Security
// http://code.google.com/p/browsersec/wiki/Part1#Cascading_stylesheets // http://code.google.com/p/browsersec/wiki/Part1#Cascading_stylesheets
$css = preg_replace('/(javascript|expession|-moz-binding)/i','',$style); $css = preg_replace('/(javascript|expession|-moz-binding)/i','',$style);
if (stripos($css,'script')!==false) translation::replaceTagsCompletley($css,'script'); // Strip out script that may be included if (stripos($css,'script')!==false) Api\Mail\Html::replaceTagsCompletley($css,'script'); // Strip out script that may be included
// we need this, as styledefinitions are enclosed with curly brackets; and template stuff tries to replace everything between curly brackets that is having no horizontal whitespace // we need this, as styledefinitions are enclosed with curly brackets; and template stuff tries to replace everything between curly brackets that is having no horizontal whitespace
// as the comments as <!-- styledefinition --> in stylesheet are outdated, and ck-editor does not understand it, we remove it // as the comments as <!-- styledefinition --> in stylesheet are outdated, and ck-editor does not understand it, we remove it
$css_no_comment = str_replace(array(':','<!--','-->'),array(': ','',''),$css); $css_no_comment = str_replace(array(':','<!--','-->'),array(': ','',''),$css);
//error_log(__METHOD__.__LINE__.$css); //error_log(__METHOD__.__LINE__.$css);
// we already removed what we have found, above, as we used pretty much the same routine as in translation::replaceTagsCompletley // we already removed what we have found, above, as we used pretty much the same routine as in Api\Mail\Html::replaceTagsCompletley
// no need to do the extra routine // no need to do the extra routine
// TODO: we may have to strip urls and maybe comments and ifs // TODO: we may have to strip urls and maybe comments and ifs
//if (stripos($html,'style')!==false) translation::replaceTagsCompletley($html,'style'); // clean out empty or pagewide style definitions / left over tags //if (stripos($html,'style')!==false) Api\Mail\Html::replaceTagsCompletley($html,'style'); // clean out empty or pagewide style definitions / left over tags
return $css_no_comment; return $css_no_comment;
} }

35
api/src/Mail.php
View File

@ -31,7 +31,6 @@ use Horde_Mime_Mdn;
use tidy; use tidy;
// old not yet converted api classes // old not yet converted api classes
use translation; // mail stuff not in Api\Translation
use addressbook_merge; // should go to Contacts\Merge use addressbook_merge; // should go to Contacts\Merge
/** /**
@ -1529,7 +1528,7 @@ class Mail
if (empty($headerObject['BODYPREVIEW'])&&$part->getPrimaryType()== 'text') if (empty($headerObject['BODYPREVIEW'])&&$part->getPrimaryType()== 'text')
{ {
$charset = $part->getContentTypeParameter('charset'); $charset = $part->getContentTypeParameter('charset');
$buffer = translation::convertHTMLToText($part->toString(array( $buffer = Mail\Html::convertHTMLToText($part->toString(array(
'encode' => Horde_Mime_Part::ENCODE_BINARY, // otherwise we cant recode charset 'encode' => Horde_Mime_Part::ENCODE_BINARY, // otherwise we cant recode charset
)), $charset, 'utf-8'); )), $charset, 'utf-8');
$headerObject['BODYPREVIEW']=trim(str_replace(array("\r\n","\r","\n"),' ',mb_substr(Translation::convert_jsonsafe($buffer),0,((int)$_fetchPreviews<300?300:$_fetchPreviews)))); $headerObject['BODYPREVIEW']=trim(str_replace(array("\r\n","\r","\n"),' ',mb_substr(Translation::convert_jsonsafe($buffer),0,((int)$_fetchPreviews<300?300:$_fetchPreviews))));
@ -1562,7 +1561,7 @@ class Mail
($partdisposition !== 'attachment')) { ($partdisposition !== 'attachment')) {
$_structure=$part; $_structure=$part;
$this->fetchPartContents($uid, $_structure, false,true); $this->fetchPartContents($uid, $_structure, false,true);
$headerObject['BODYPREVIEW']=trim(str_replace(array("\r\n","\r","\n"),' ',mb_substr(translation::convertHTMLToText($_structure->getContents()),0,((int)$_fetchPreviews<300?300:$_fetchPreviews)))); $headerObject['BODYPREVIEW']=trim(str_replace(array("\r\n","\r","\n"),' ',mb_substr(Mail\Html::convertHTMLToText($_structure->getContents()),0,((int)$_fetchPreviews<300?300:$_fetchPreviews))));
$charSet=Translation::detect_encoding($headerObject['BODYPREVIEW']); $charSet=Translation::detect_encoding($headerObject['BODYPREVIEW']);
// add line breaks to $bodyParts // add line breaks to $bodyParts
//error_log(__METHOD__.' ('.__LINE__.') '.' Charset:'.$bodyParts[$i]['charSet'].'->'.$bodyParts[$i]['body']); //error_log(__METHOD__.' ('.__LINE__.') '.' Charset:'.$bodyParts[$i]['charSet'].'->'.$bodyParts[$i]['body']);
@ -2212,7 +2211,7 @@ class Mail
} }
else else
{ {
$_string = translation::decodeMailHeader($_string,self::$displayCharset); $_string = Mail\Html::decodeMailHeader($_string,self::$displayCharset);
$test = @json_encode($_string); $test = @json_encode($_string);
//error_log(__METHOD__.__LINE__.' ->'.strlen($singleBodyPart['body']).' Error:'.json_last_error().'<- BodyPart:#'.$test.'#'); //error_log(__METHOD__.__LINE__.' ->'.strlen($singleBodyPart['body']).' Error:'.json_last_error().'<- BodyPart:#'.$test.'#');
if (($test=="null" || $test === false || is_null($test)) && strlen($_string)>0) if (($test=="null" || $test === false || is_null($test)) && strlen($_string)>0)
@ -4175,18 +4174,18 @@ class Mail
$_html = str_replace(array('&amp;amp;','<DIV><BR></DIV>',"<DIV>&nbsp;</DIV>",'<div>&nbsp;</div>','</td></font>','<br><td>','<tr></tr>','<o:p></o:p>','<o:p>','</o:p>'), $_html = str_replace(array('&amp;amp;','<DIV><BR></DIV>',"<DIV>&nbsp;</DIV>",'<div>&nbsp;</div>','</td></font>','<br><td>','<tr></tr>','<o:p></o:p>','<o:p>','</o:p>'),
array('&amp;', '<BR>', '<BR>', '<BR>', '</font></td>','<td>', '', '', '', ''),$_html); array('&amp;', '<BR>', '<BR>', '<BR>', '</font></td>','<td>', '', '', '', ''),$_html);
//$_html = str_replace(array('&amp;amp;'),array('&amp;'),$_html); //$_html = str_replace(array('&amp;amp;'),array('&amp;'),$_html);
if (stripos($_html,'style')!==false) translation::replaceTagsCompletley($_html,'style'); // clean out empty or pagewide style definitions / left over tags if (stripos($_html,'style')!==false) Mail\Html::replaceTagsCompletley($_html,'style'); // clean out empty or pagewide style definitions / left over tags
if (stripos($_html,'head')!==false) translation::replaceTagsCompletley($_html,'head'); // Strip out stuff in head if (stripos($_html,'head')!==false) Mail\Html::replaceTagsCompletley($_html,'head'); // Strip out stuff in head
//if (stripos($_html,'![if')!==false && stripos($_html,'<![endif]>')!==false) translation::replaceTagsCompletley($_html,'!\[if','<!\[endif\]>',false); // Strip out stuff in ifs //if (stripos($_html,'![if')!==false && stripos($_html,'<![endif]>')!==false) Mail\Html::replaceTagsCompletley($_html,'!\[if','<!\[endif\]>',false); // Strip out stuff in ifs
//if (stripos($_html,'!--[if')!==false && stripos($_html,'<![endif]-->')!==false) translation::replaceTagsCompletley($_html,'!--\[if','<!\[endif\]-->',false); // Strip out stuff in ifs //if (stripos($_html,'!--[if')!==false && stripos($_html,'<![endif]-->')!==false) Mail\Html::replaceTagsCompletley($_html,'!--\[if','<!\[endif\]-->',false); // Strip out stuff in ifs
//error_log(__METHOD__.' ('.__LINE__.') '.$_html); //error_log(__METHOD__.' ('.__LINE__.') '.$_html);
if (get_magic_quotes_gpc() === 1) $_html = stripslashes($_html); if (get_magic_quotes_gpc() === 1) $_html = stripslashes($_html);
// Strip out doctype in head, as htmlLawed cannot handle it TODO: Consider extracting it and adding it afterwards // Strip out doctype in head, as htmlLawed cannot handle it TODO: Consider extracting it and adding it afterwards
if (stripos($_html,'!doctype')!==false) translation::replaceTagsCompletley($_html,'!doctype'); if (stripos($_html,'!doctype')!==false) Mail\Html::replaceTagsCompletley($_html,'!doctype');
if (stripos($_html,'?xml:namespace')!==false) translation::replaceTagsCompletley($_html,'\?xml:namespace','/>',false); if (stripos($_html,'?xml:namespace')!==false) Mail\Html::replaceTagsCompletley($_html,'\?xml:namespace','/>',false);
if (stripos($_html,'?xml version')!==false) translation::replaceTagsCompletley($_html,'\?xml version','\?>',false); if (stripos($_html,'?xml version')!==false) Mail\Html::replaceTagsCompletley($_html,'\?xml version','\?>',false);
if (strpos($_html,'!CURSOR')!==false) translation::replaceTagsCompletley($_html,'!CURSOR'); if (strpos($_html,'!CURSOR')!==false) Mail\Html::replaceTagsCompletley($_html,'!CURSOR');
// htmLawed filter only the 'body' // htmLawed filter only the 'body'
//preg_match('`(<htm.+?<body[^>]*>)(.+?)(</body>.*?</html>)`ims', $_html, $matches); //preg_match('`(<htm.+?<body[^>]*>)(.+?)(</body>.*?</html>)`ims', $_html, $matches);
//if ($matches[2]) //if ($matches[2])
@ -4857,7 +4856,7 @@ class Mail
if (!$preserveHTML) if (!$preserveHTML)
{ {
$alreadyHtmlLawed=false; $alreadyHtmlLawed=false;
// as translation::convert reduces \r\n to \n and purifier eats \n -> peplace it with a single space // as Translation::convert reduces \r\n to \n and purifier eats \n -> peplace it with a single space
$newBody = str_replace("\n"," ",$newBody); $newBody = str_replace("\n"," ",$newBody);
// convert HTML to text, as we dont want HTML in infologs // convert HTML to text, as we dont want HTML in infologs
if ($useTidy && extension_loaded('tidy')) if ($useTidy && extension_loaded('tidy'))
@ -4902,7 +4901,7 @@ class Mail
$alreadyHtmlLawed=true; $alreadyHtmlLawed=true;
} }
//error_log(__METHOD__.' ('.__LINE__.') '.' after purify:'.$newBody); //error_log(__METHOD__.' ('.__LINE__.') '.' after purify:'.$newBody);
if ($preserveHTML==false) $newBody = translation::convertHTMLToText($newBody,self::$displayCharset,true,true); if ($preserveHTML==false) $newBody = Mail\Html::convertHTMLToText($newBody,self::$displayCharset,true,true);
//error_log(__METHOD__.' ('.__LINE__.') '.' after convertHTMLToText:'.$newBody); //error_log(__METHOD__.' ('.__LINE__.') '.' after convertHTMLToText:'.$newBody);
if ($preserveHTML==false) $newBody = nl2br($newBody); // we need this, as htmLawed removes \r\n if ($preserveHTML==false) $newBody = nl2br($newBody); // we need this, as htmLawed removes \r\n
/*if (!$alreadyHtmlLawed) */ $mailClass->getCleanHTML($newBody); // remove stuff we regard as unwanted /*if (!$alreadyHtmlLawed) */ $mailClass->getCleanHTML($newBody); // remove stuff we regard as unwanted
@ -4913,9 +4912,9 @@ class Mail
continue; continue;
} }
//error_log(__METHOD__.' ('.__LINE__.') '.' Body(after specialchars):'.$newBody); //error_log(__METHOD__.' ('.__LINE__.') '.' Body(after specialchars):'.$newBody);
//use translation::convertHTMLToText instead of strip_tags, (even message is plain text) as strip_tags eats away too much //use Mail\Html::convertHTMLToText instead of strip_tags, (even message is plain text) as strip_tags eats away too much
//$newBody = strip_tags($newBody); //we need to fix broken tags (or just stuff like "<800 USD/p" ) //$newBody = strip_tags($newBody); //we need to fix broken tags (or just stuff like "<800 USD/p" )
$newBody = translation::convertHTMLToText($newBody,self::$displayCharset,false,false); $newBody = Mail\Html::convertHTMLToText($newBody,self::$displayCharset,false,false);
//error_log(__METHOD__.' ('.__LINE__.') '.' Body(after strip tags):'.$newBody); //error_log(__METHOD__.' ('.__LINE__.') '.' Body(after strip tags):'.$newBody);
$newBody = htmlspecialchars_decode($newBody,ENT_QUOTES); $newBody = htmlspecialchars_decode($newBody,ENT_QUOTES);
//error_log(__METHOD__.' ('.__LINE__.') '.' Body (after hmlspc_decode):'.$newBody); //error_log(__METHOD__.' ('.__LINE__.') '.' Body (after hmlspc_decode):'.$newBody);
@ -5300,7 +5299,7 @@ class Mail
// CSS Security // CSS Security
// http://code.google.com/p/browsersec/wiki/Part1#Cascading_stylesheets // http://code.google.com/p/browsersec/wiki/Part1#Cascading_stylesheets
$css = preg_replace('/(javascript|expression|-moz-binding)/i','',$style); $css = preg_replace('/(javascript|expression|-moz-binding)/i','',$style);
if (stripos($css,'script')!==false) translation::replaceTagsCompletley($css,'script'); // Strip out script that may be included if (stripos($css,'script')!==false) Mail\Html::replaceTagsCompletley($css,'script'); // Strip out script that may be included
// we need this, as styledefinitions are enclosed with curly brackets; and template stuff tries to replace everything between curly brackets that is having no horizontal whitespace // we need this, as styledefinitions are enclosed with curly brackets; and template stuff tries to replace everything between curly brackets that is having no horizontal whitespace
// as the comments as <!-- styledefinition --> in stylesheet are outdated, and ck-editor does not understand it, we remove it // as the comments as <!-- styledefinition --> in stylesheet are outdated, and ck-editor does not understand it, we remove it
$css = str_replace(array(':','<!--','-->'),array(': ','',''),$css); $css = str_replace(array(':','<!--','-->'),array(': ','',''),$css);
@ -5985,7 +5984,7 @@ class Mail
{ {
if ($bodyParts[$i]['mimeType']=='text/html') if ($bodyParts[$i]['mimeType']=='text/html')
{ {
$bodyParts[$i]['body'] = translation::convertHTMLToText($bodyParts[$i]['body'],$bodyParts[$i]['charSet'],true,$stripalltags=true); $bodyParts[$i]['body'] = Mail\Html::convertHTMLToText($bodyParts[$i]['body'],$bodyParts[$i]['charSet'],true,$stripalltags=true);
$bodyParts[$i]['mimeType']='text/plain'; $bodyParts[$i]['mimeType']='text/plain';
} }
} }

500
api/src/Mail/Html.php Normal file
View File

@ -0,0 +1,500 @@
<?php
/**
* EGroupware API - Html mail handling
*
* @link http://www.egroupware.org
* @author Klaus Leithoff <kl@stylite.de>
* @license http://opensource.org/licenses/lgpl-license.php LGPL - GNU Lesser General Public License
* @package api
* @version $Id$
*/
namespace EGroupware\Api\Mail;
use EGroupware\Api;
/**
* Html mail handling
*
* @todo clean up IDE warnings, mostly multiple assigments
*/
class Html
{
/**
* Return the decoded string meeting some additional requirements for mailheaders
*
* @param string $_string -> part of an mailheader
* @param string $displayCharset the charset parameter specifies the character set to represent the result by (if iconv_mime_decode is to be used)
* @return string
*/
static function decodeMailHeader($_string, $displayCharset='utf-8')
{
//error_log(__FILE__.','.__METHOD__.':'."called with $_string and CHARSET $displayCharset");
if(function_exists('imap_mime_header_decode'))
{
// some characterreplacements, as they fail to translate
$sar = array(
'@(\x84|\x93|\x94)@',
'@(\x96|\x97|\x1a)@',
'@(\x91|\x92)@',
'@(\x85)@',
'@(\x86)@',
);
$rar = array(
'"',
'-',
'\'',
'...',
'+',
);
$newString = '';
$string = preg_replace('/\?=\s+=\?/', '?= =?', $_string);
$elements=imap_mime_header_decode($string);
$convertAtEnd = false;
foreach((array)$elements as $element)
{
if ($element->charset == 'default') $element->charset = Api\Translation::detect_encoding($element->text);
if ($element->charset != 'x-unknown')
{
if( strtoupper($element->charset) != 'UTF-8') $element->text = preg_replace($sar,$rar,$element->text);
// check if there is a possible nested encoding; make sure that the inputstring and the decoded result are different to avoid loops
if(preg_match('/\?=.+=\?/', $element->text) && $element->text != $_string)
{
$element->text = self::decodeMailHeader($element->text, $element->charset);
$element->charset = $displayCharset;
}
$newString .= Api\Translation::convert($element->text,$element->charset);
}
else
{
$newString .= $element->text;
$convertAtEnd = true;
}
}
if ($convertAtEnd) $newString = self::decodeMailHeader($newString,$displayCharset);
return preg_replace('/([\000-\012\015\016\020-\037\075])/','',$newString);
}
elseif(function_exists(mb_decode_mimeheader))
{
$matches = null;
if(preg_match_all('/=\?.*\?Q\?.*\?=/iU', $string=$_string, $matches))
{
foreach($matches[0] as $match)
{
$fixedMatch = str_replace('_', ' ', $match);
$string = str_replace($match, $fixedMatch, $string);
}
$string = str_replace('=?ISO8859-','=?ISO-8859-',
str_replace('=?windows-1258','=?ISO-8859-1',$string));
}
$string = mb_decode_mimeheader($string);
return preg_replace('/([\000-\012\015\016\020-\037\075])/','',$string);
}
elseif(function_exists(iconv_mime_decode))
{
// continue decoding also if an error occurs
$string = @iconv_mime_decode($_string, 2, $displayCharset);
return preg_replace('/([\000-\012\015\016\020-\037\075])/','',$string);
}
// no decoding function available
return preg_replace('/([\000-\012\015\016\020-\037\075])/','',$_string);
}
/**
* replace emailaddresses enclosed in <> (eg.: <me@you.de>) with the emailaddress only (e.g: me@you.de)
* as well as those emailadresses in links, and within broken links
* @param string the text to process
* @return 1
*/
static function replaceEmailAdresses(&$text)
{
//error_log($text);
//replace CRLF with something other to be preserved via preg_replace as CRLF seems to vanish
$text2 = str_replace("\r\n",'<#cr-lf#>',$text);
// replace emailaddresses eclosed in <> (eg.: <me@you.de>) with the emailaddress only (e.g: me@you.de)
$text3 = preg_replace("/(<|&lt;a href=\")*(mailto:([\w\.,-.,_.,0-9.]+)(@)([\w\.,-.,_.,0-9.]+))(>|&gt;)*/i","$2 ", $text2);
//$text = preg_replace_callback("/(<|&lt;a href=\")*(mailto:([\w\.,-.,_.,0-9.]+)(@)([\w\.,-.,_.,0-9.]+))(>|&gt;)*/i",'self::transform_mailto2text',$text);
//$text = preg_replace('~<a[^>]+href=\"(mailto:)+([^"]+)\"[^>]*>~si','$2 ',$text);
$text4 = preg_replace_callback('~<a[^>]+href=\"(mailto:)+([^"]+)\"[^>]*>([ @\w\.,-.,_.,0-9.]+)<\/a>~si','self::transform_mailto2text',$text3);
$text5 = preg_replace("/(([\w\.,-.,_.,0-9.]+)(@)([\w\.,-.,_.,0-9.]+))( |\s)*(<\/a>)*( |\s)*(>|&gt;)*/i","$1 ", $text4);
$text6 = preg_replace("/(<|&lt;)*(([\w\.,-.,_.,0-9.]+)@([\w\.,-.,_.,0-9.]+))(>|&gt;)*/i","$2 ", $text5);
$text = str_replace('<#cr-lf#>',"\r\n",$text6);
return 1;
}
/**
* strip tags out of the message completely with their content
* @param string $_body is the text to be processed
* @param string $tag is the tagname which is to be removed. Note, that only the name of the tag is to be passed to the function
* without the enclosing brackets
* @param string $endtag can be different from tag but should be used only, if begin and endtag are known to be different e.g.: <!-- -->
* @param bool $addbracesforendtag if endtag is given, you may decide if the </ and > braces are to be added,
* or if you want the string to be matched as is
* @return void the modified text is passed via reference
*/
static function replaceTagsCompletley(&$_body,$tag,$endtag='',$addbracesforendtag=true)
{
if ($tag) $tag = strtolower($tag);
$singleton = false;
if ($endtag=='/>') $singleton =true;
if ($endtag == '' || empty($endtag) || !isset($endtag))
{
$endtag = $tag;
} else {
$endtag = strtolower($endtag);
//error_log(__METHOD__.' Using EndTag:'.$endtag);
}
// strip tags out of the message completely with their content
if ($_body) {
if ($singleton)
{
//$_body = preg_replace('~<'.$tag.'[^>].*? '.$endtag.'~simU','',$_body);
$_body = preg_replace('~<?'.$tag.'[^>].* '.$endtag.'~simU','',$_body); // we are in Ungreedy mode, so we expect * to be ungreedy without specifying ?
}
else
{
$found=null;
if ($addbracesforendtag === true )
{
if (stripos($_body,'<'.$tag)!==false) $ct = preg_match_all('#<'.$tag.'(?:\s.*)?>(.+)</'.$endtag.'>#isU', $_body, $found);
if ($ct>0)
{
//error_log(__METHOD__.__LINE__.array2string($found[0]));
// only replace what we have found
$_body = str_ireplace($found[0],'',$_body);
}
// remove left over tags, unfinished ones, and so on
$_body = preg_replace('~<'.$tag.'[^>]*?>~si','',$_body);
}
if ($addbracesforendtag === false )
{
if (stripos($_body,'<'.$tag)!==false) $ct = preg_match_all('#<'.$tag.'(?:\s.*)?>(.+)'.$endtag.'#isU', $_body, $found);
if ($ct>0)
{
//error_log(__METHOD__.__LINE__.array2string($found[0]));
// only replace what we have found
$_body = str_ireplace($found[0],'',$_body);
}
/*
$_body = preg_replace('~<'.$tag.'[^>]*?>(.*?)'.$endtag.'~simU','',$_body);
*/
// remove left over tags, unfinished ones, and so on
$_body = preg_replace(array('~<'.$tag.'[^>]*?>~si', '~'.$endtag.'~'), '', $_body);
}
}
}
}
static function transform_mailto2text($matches)
{
//error_log(__METHOD__.__LINE__.array2string($matches));
// this is the actual url
$matches[2] = trim(strip_tags($matches[2]));
$matches[3] = trim(strip_tags($matches[3]));
$matches[2] = str_replace(array('%40','%20'),array('@',' '),$matches[2]);
$matches[3] = str_replace(array('%40','%20'),array('@',' '),$matches[3]);
return $matches[1].$matches[2].($matches[2]==$matches[3]?' ':' -> '.$matches[3].' ');
}
static function transform_url2text($matches)
{
//error_log(__METHOD__.__LINE__.array2string($matches));
$linkTextislink = false;
// this is the actual url
$matches[2] = trim(strip_tags($matches[2]));
if ($matches[2]==$matches[1]) $linkTextislink = true;
$matches[1] = str_replace(' ','%20',$matches[1]);
return ($linkTextislink?' ':'[ ').$matches[1].($linkTextislink?'':' -> '.$matches[2]).($linkTextislink?' ':' ]');
}
/**
* convertHTMLToText
* @param string $_html : Text to be stripped down
* @param string $displayCharset : charset to use; should be a valid charset
* @param bool $stripcrl : flag to indicate for the removal of all crlf \r\n
* @param bool $stripalltags : flag to indicate wether or not to strip $_html from all remaining tags
* @return text $_html : the modified text.
*/
static function convertHTMLToText($_html,$displayCharset=false,$stripcrl=false,$stripalltags=true)
{
// assume input isHTML, but test the input anyway, because,
// if it is not, we may not want to strip whitespace
$isHTML = true;
if (strlen(strip_tags($_html)) == strlen($_html))
{
$isHTML = false;
// return $_html; // maybe we should not proceed at all
}
if ($displayCharset === false) $displayCharset = self::$system_charset;
//error_log(__METHOD__.$_html);
#print '<hr>';
#print "<pre>"; print htmlspecialchars($_html);
#print "</pre>";
#print "<hr>";
if (stripos($_html,'style')!==false) self::replaceTagsCompletley($_html,'style'); // clean out empty or pagewide style definitions / left over tags
if (stripos($_html,'head')!==false) self::replaceTagsCompletley($_html,'head'); // Strip out stuff in head
if (stripos($_html,'![if')!==false && stripos($_html,'<![endif]>')!==false) self::replaceTagsCompletley($_html,'!\[if','<!\[endif\]>',false); // Strip out stuff in ifs
if (stripos($_html,'!--[if')!==false && stripos($_html,'<![endif]-->')!==false) self::replaceTagsCompletley($_html,'!--\[if','<!\[endif\]-->',false); // Strip out stuff in ifs
$Rules = array ('@<script[^>]*?>.*?</script>@siU', // Strip out javascript
'@&(quot|#34);@i', // Replace HTML entities
'@&(amp|#38);@i', // Ampersand &
'@&(lt|#60);@i', // Less Than <
'@&(gt|#62);@i', // Greater Than >
'@&(nbsp|#160);@i', // Non Breaking Space
'@&(iexcl|#161);@i', // Inverted Exclamation point
'@&(cent|#162);@i', // Cent
'@&(pound|#163);@i', // Pound
'@&(copy|#169);@i', // Copyright
'@&(reg|#174);@i', // Registered
'@&(trade|#8482);@i', // trade
'@&#39;@i', // singleQuote
'@(\xc2\xa0)@', // nbsp or tab (encoded windows-style)
'@(\xe2\x80\x8b)@', // ZERO WIDTH SPACE
);
$Replace = array ('',
'"',
'#amper#sand#',
'<',
'>',
' ',
chr(161),
chr(162),
chr(163),
'(C)',//chr(169),// copyrighgt
'(R)',//chr(174),// registered
'(TM)',// trade
"'",
' ',
'',
);
$_html = preg_replace($Rules, $Replace, $_html);
// removing carriage return linefeeds, preserve those enclosed in <pre> </pre> tags
if ($stripcrl === true )
{
if (stripos($_html,'<pre ')!==false || stripos($_html,'<pre>')!==false)
{
$contentArr = self::splithtmlByPRE($_html);
foreach ($contentArr as $k =>&$elem)
{
if (stripos($elem,'<pre ')===false && stripos($elem,'<pre>')===false)
{
//$elem = str_replace('@(\r\n)@i',' ',$elem);
$elem = str_replace(array("\r\n","\n"),($isHTML?'':' '),$elem);
}
}
$_html = implode('',$contentArr);
}
else
{
$_html = str_replace(array("\r\n","\n"),($isHTML?'':' '),$_html);
}
}
$tags = array (
0 => '~<h[123][^>]*>\r*\n*~si',
1 => '~<h[456][^>]*>\r*\n*~si',
2 => '~<table[^>]*>\r*\n*~si',
3 => '~<tr[^>]*>\r*\n*~si',
4 => '~<li[^>]*>\r*\n*~si',
5 => '~<br[^>]*>\r*\n*~si',
6 => '~<br[^>]*>~si',
7 => '~<p[^>]*>\r*\n*~si',
8 => '~<div[^>]*>\r*\n*~si',
9 => '~<hr[^>]*>\r*\n*~si',
10 => '/<blockquote type="cite">/',
11 => '/<blockquote>/',
12 => '~</blockquote>~si',
13 => '~<blockquote[^>]*>~si',
14 => '/<=([1234567890])/',
15 => '/>=([1234567890])/',
16 => '/<([1234567890])/',
17 => '/>([1234567890])/',
);
$Replace = array (
0 => "\r\n",
1 => "\r\n",
2 => "\r\n",
3 => "\r\n",
4 => "\r\n",
5 => "\r\n",
6 => "\r\n",
7 => "\r\n",
8 => "\r\n",
9 => "\r\n__________________________________________________\r\n",
10 => '#blockquote#type#cite#',
11 => '#blockquote#type#cite#',
12 => '#blockquote#end#cite#',
13 => '#blockquote#type#cite#',
14 => '#lowerorequal#than#$1',
15 => '#greaterorequal#than#$1',
16 => '#lower#than#$1',
17 => '#greater#than#$1',
);
$_html = preg_replace($tags,$Replace,$_html);
$_html = preg_replace('~</t(d|h)>\s*<t(d|h)[^>]*>~si',' - ',$_html);
$_html = preg_replace('~<img[^>]+>~s','',$_html);
// replace emailaddresses eclosed in <> (eg.: <me@you.de>) with the emailaddress only (e.g: me@you.de)
self::replaceEmailAdresses($_html);
//convert hrefs to description -> URL
//$_html = preg_replace('~<a[^>]+href=\"([^"]+)\"[^>]*>(.*)</a>~si','[$2 -> $1]',$_html);
$_html = preg_replace_callback('~<a[^>]+href=\"([^"]+)\"[^>]*>(.*?)</a>~si','self::transform_url2text',$_html);
// reducing double \r\n to single ones, dont mess with pre sections
if ($stripcrl === true && $isHTML)
{
if (stripos($_html,'<pre ')!==false || stripos($_html,'<pre>')!==false)
{
$contentArr = self::splithtmlByPRE($_html);
foreach ($contentArr as $k =>&$elem)
{
if (stripos($elem,'<pre ')===false && stripos($elem,'<pre>')===false)
{
//this is supposed to strip out all remaining stuff in tags, this is sometimes taking out whole sections off content
if ( $stripalltags ) {
$_html = preg_replace('~<[^>^@]+>~s','',$_html);
}
// strip out whitespace inbetween CR/LF
$elem = preg_replace('~\r\n\s+\r\n~si', "\r\n\r\n", $elem);
// strip out / reduce exess CR/LF
$elem = preg_replace('~\r\n{3,}~si',"\r\n\r\n",$elem);
}
}
$_html = implode('',$contentArr);
}
else
{
//this is supposed to strip out all remaining stuff in tags, this is sometimes taking out whole sections off content
if ( $stripalltags ) {
$_html = preg_replace('~<[^>^@]+>~s','',$_html);
}
// strip out whitespace inbetween CR/LF
$_html = preg_replace('~\r\n\s+\r\n~si', "\r\n\r\n", $_html);
// strip out / reduce exess CR/LF
$_html = preg_replace('~(\r\n){3,}~si',"\r\n\r\n",$_html);
}
}
//this is supposed to strip out all remaining stuff in tags, this is sometimes taking out whole sections off content
if ( $stripalltags ) {
$_html = preg_replace('~<[^>^@]+>~s','',$_html);
//$_html = strip_tags($_html, '<a>');
}
// reducing spaces (not for input that was plain text from the beginning)
if ($isHTML) $_html = preg_replace('~ +~s',' ',$_html);
// restoring ampersands
$_html = str_replace('#amper#sand#','&',$_html);
// restoring lower|greater[or equal] than
$_html = str_replace('#lowerorequal#than#','<=',$_html);
$_html = str_replace('#greaterorequal#than#','>=',$_html);
$_html = str_replace('#lower#than#','<',$_html);
$_html = str_replace('#greater#than#','>',$_html);
//error_log(__METHOD__.__LINE__.' Charset:'.$displayCharset.' -> '.$_html);
$_html = html_entity_decode($_html, ENT_COMPAT, $displayCharset);
//error_log(__METHOD__.__LINE__.' Charset:'.$displayCharset.' After html_entity_decode: -> '.$_html);
//self::replaceEmailAdresses($_html);
$pos = strpos($_html, 'blockquote');
//error_log("convert HTML2Text: $_html");
if($pos === false) {
return $_html;
} else {
$indent = 0;
$indentString = '';
$quoteParts = preg_split('/#blockquote#type#cite#/', $_html, -1, PREG_SPLIT_OFFSET_CAPTURE);
foreach($quoteParts as $quotePart) {
if($quotePart[1] > 0) {
$indent++;
$indentString .= '>';
}
$quoteParts2 = preg_split('/#blockquote#end#cite#/', $quotePart[0], -1, PREG_SPLIT_OFFSET_CAPTURE);
foreach($quoteParts2 as $quotePart2) {
if($quotePart2[1] > 0) {
$indent--;
$indentString = substr($indentString, 0, $indent);
}
$quoteParts3 = explode("\r\n", $quotePart2[0]);
foreach($quoteParts3 as $quotePart3) {
//error_log(__METHOD__.__LINE__.'Line:'.$quotePart3);
$allowedLength = 76-strlen("\r\n$indentString");
// only break lines, if not already indented
if (substr($quotePart3,0,strlen($indentString)) != $indentString)
{
if (strlen($quotePart3) > $allowedLength) {
$s=explode(" ", $quotePart3);
$quotePart3 = "";
$linecnt = 0;
foreach ($s as $k=>$v) {
$cnt = strlen($v);
// only break long words within the wordboundaries,
// but it may destroy links, so we check for href and dont do it if we find it
if($cnt > $allowedLength && stripos($v,'href=')===false) {
//error_log(__METHOD__.__LINE__.'LongWordFound:'.$v);
$v=wordwrap($v, $allowedLength, "\r\n$indentString", true);
}
// the rest should be broken at the start of the new word that exceeds the limit
if ($linecnt+$cnt > $allowedLength) {
$v="\r\n$indentString$v";
//error_log(__METHOD__.__LINE__.'breaking here:'.$v);
$linecnt = 0;
} else {
$linecnt += $cnt;
}
if (strlen($v)) $quotePart3 .= (strlen($quotePart3) ? " " : "").$v;
}
}
}
//error_log(__METHOD__.__LINE__.'partString to return:'.$indentString . $quotePart3);
$asciiTextBuff[] = $indentString . $quotePart3 ;
}
}
}
return implode("\r\n",$asciiTextBuff);
}
}
/**
* split html by PRE tag, return array with all content pre-sections isolated in array elements
* @author Leithoff, Klaus
* @param string html
* @return mixed array of parts or unaffected html
*/
static function splithtmlByPRE($html)
{
$searchFor = '<pre ';
$pos = stripos($html,$searchFor);
if ($pos===false)
{
$searchFor = '<pre>';
$pos = stripos($html,$searchFor);
}
if ($pos === false)
{
return $html;
}
$html2ret[] = substr($html,0,$pos);
while ($pos!==false)
{
$endofpre = stripos($html,'</pre>',$pos);
$length = $endofpre-$pos+6;
$html2ret[] = substr($html,$pos,$length);
$searchFor = '<pre ';
$pos = stripos($html,$searchFor, $endofpre+6);
if ($pos===false)
{
$searchFor = '<pre>';
$pos = stripos($html,$searchFor, $endofpre+6);
}
$html2ret[] = ($pos ? substr($html,$endofpre+6,$pos-($endofpre+6)): substr($html,$endofpre+6));
//$pos=false;
}
//error_log(__METHOD__.__LINE__.array2string($html2ret));
return $html2ret;
}
}

428
phpgwapi/inc/class.translation.inc.php
View File

@ -16,7 +16,7 @@ use EGroupware\Api;
/** /**
* EGroupware API - Translations * EGroupware API - Translations
* *
* @deprecated use Api\Translation for non-mail specific methods * @deprecated use Api\Translation for non-mail specific methods or Api\Mail\Html for others
*/ */
class translation extends Api\Translation class translation extends Api\Translation
{ {
@ -26,83 +26,11 @@ class translation extends Api\Translation
* @param string $_string -> part of an mailheader * @param string $_string -> part of an mailheader
* @param string $displayCharset the charset parameter specifies the character set to represent the result by (if iconv_mime_decode is to be used) * @param string $displayCharset the charset parameter specifies the character set to represent the result by (if iconv_mime_decode is to be used)
* @return string * @return string
* @deprecated use Api\Mail\Html::decodeMailHeader
*/ */
static function decodeMailHeader($_string, $displayCharset='utf-8') static function decodeMailHeader($_string, $displayCharset='utf-8')
{ {
//error_log(__FILE__.','.__METHOD__.':'."called with $_string and CHARSET $displayCharset"); return Api\Mail\Html::decodeMailHeader($_string, $displayCharset);
if(function_exists('imap_mime_header_decode'))
{
// some characterreplacements, as they fail to translate
$sar = array(
'@(\x84|\x93|\x94)@',
'@(\x96|\x97|\x1a)@',
'@(\x91|\x92)@',
'@(\x85)@',
'@(\x86)@',
);
$rar = array(
'"',
'-',
'\'',
'...',
'+',
);
$newString = '';
$string = preg_replace('/\?=\s+=\?/', '?= =?', $_string);
$elements=imap_mime_header_decode($string);
$convertAtEnd = false;
foreach((array)$elements as $element)
{
if ($element->charset == 'default') $element->charset = self::detect_encoding($element->text);
if ($element->charset != 'x-unknown')
{
if( strtoupper($element->charset) != 'UTF-8') $element->text = preg_replace($sar,$rar,$element->text);
// check if there is a possible nested encoding; make sure that the inputstring and the decoded result are different to avoid loops
if(preg_match('/\?=.+=\?/', $element->text) && $element->text != $_string)
{
$element->text = self::decodeMailHeader($element->text, $element->charset);
$element->charset = $displayCharset;
}
$newString .= self::convert($element->text,$element->charset);
}
else
{
$newString .= $element->text;
$convertAtEnd = true;
}
}
if ($convertAtEnd) $newString = self::decodeMailHeader($newString,$displayCharset);
return preg_replace('/([\000-\012\015\016\020-\037\075])/','',$newString);
}
elseif(function_exists(mb_decode_mimeheader))
{
$matches = null;
if(preg_match_all('/=\?.*\?Q\?.*\?=/iU', $string=$_string, $matches))
{
foreach($matches[0] as $match)
{
$fixedMatch = str_replace('_', ' ', $match);
$string = str_replace($match, $fixedMatch, $string);
}
$string = str_replace('=?ISO8859-','=?ISO-8859-',
str_replace('=?windows-1258','=?ISO-8859-1',$string));
}
$string = mb_decode_mimeheader($string);
return preg_replace('/([\000-\012\015\016\020-\037\075])/','',$string);
}
elseif(function_exists(iconv_mime_decode))
{
// continue decoding also if an error occurs
$string = @iconv_mime_decode($_string, 2, $displayCharset);
return preg_replace('/([\000-\012\015\016\020-\037\075])/','',$string);
}
// no decoding function available
return preg_replace('/([\000-\012\015\016\020-\037\075])/','',$_string);
} }
/** /**
@ -110,21 +38,11 @@ class translation extends Api\Translation
* as well as those emailadresses in links, and within broken links * as well as those emailadresses in links, and within broken links
* @param string the text to process * @param string the text to process
* @return 1 * @return 1
* @deprecated use Api\Mail\Html::replaceEmailAdresses
*/ */
static function replaceEmailAdresses(&$text) static function replaceEmailAdresses(&$text)
{ {
//error_log($text); return Api\Mail\Html::replaceEmailAdresses($text);
//replace CRLF with something other to be preserved via preg_replace as CRLF seems to vanish
$text2 = str_replace("\r\n",'<#cr-lf#>',$text);
// replace emailaddresses eclosed in <> (eg.: <me@you.de>) with the emailaddress only (e.g: me@you.de)
$text3 = preg_replace("/(<|&lt;a href=\")*(mailto:([\w\.,-.,_.,0-9.]+)(@)([\w\.,-.,_.,0-9.]+))(>|&gt;)*/i","$2 ", $text2);
//$text = preg_replace_callback("/(<|&lt;a href=\")*(mailto:([\w\.,-.,_.,0-9.]+)(@)([\w\.,-.,_.,0-9.]+))(>|&gt;)*/i",'self::transform_mailto2text',$text);
//$text = preg_replace('~<a[^>]+href=\"(mailto:)+([^"]+)\"[^>]*>~si','$2 ',$text);
$text4 = preg_replace_callback('~<a[^>]+href=\"(mailto:)+([^"]+)\"[^>]*>([ @\w\.,-.,_.,0-9.]+)<\/a>~si','self::transform_mailto2text',$text3);
$text5 = preg_replace("/(([\w\.,-.,_.,0-9.]+)(@)([\w\.,-.,_.,0-9.]+))( |\s)*(<\/a>)*( |\s)*(>|&gt;)*/i","$1 ", $text4);
$text6 = preg_replace("/(<|&lt;)*(([\w\.,-.,_.,0-9.]+)@([\w\.,-.,_.,0-9.]+))(>|&gt;)*/i","$2 ", $text5);
$text = str_replace('<#cr-lf#>',"\r\n",$text6);
return 1;
} }
/** /**
@ -135,81 +53,21 @@ class translation extends Api\Translation
* @param string $endtag can be different from tag but should be used only, if begin and endtag are known to be different e.g.: <!-- --> * @param string $endtag can be different from tag but should be used only, if begin and endtag are known to be different e.g.: <!-- -->
* @param bool $addbracesforendtag if endtag is given, you may decide if the </ and > braces are to be added, * @param bool $addbracesforendtag if endtag is given, you may decide if the </ and > braces are to be added,
* or if you want the string to be matched as is * or if you want the string to be matched as is
* @return void the modified text is passed via reference * @deprecated use Api\Mail\Html::replaceTagsCompletley
*/ */
static function replaceTagsCompletley(&$_body,$tag,$endtag='',$addbracesforendtag=true) static function replaceTagsCompletley(&$_body,$tag,$endtag='',$addbracesforendtag=true)
{ {
if ($tag) $tag = strtolower($tag); Api\Mail\Html::replaceTagsCompletley($_body, $tag, $endtag, $addbracesforendtag);
$singleton = false;
if ($endtag=='/>') $singleton =true;
if ($endtag == '' || empty($endtag) || !isset($endtag))
{
$endtag = $tag;
} else {
$endtag = strtolower($endtag);
//error_log(__METHOD__.' Using EndTag:'.$endtag);
}
// strip tags out of the message completely with their content
if ($_body) {
if ($singleton)
{
//$_body = preg_replace('~<'.$tag.'[^>].*? '.$endtag.'~simU','',$_body);
$_body = preg_replace('~<?'.$tag.'[^>].* '.$endtag.'~simU','',$_body); // we are in Ungreedy mode, so we expect * to be ungreedy without specifying ?
}
else
{
$found=null;
if ($addbracesforendtag === true )
{
if (stripos($_body,'<'.$tag)!==false) $ct = preg_match_all('#<'.$tag.'(?:\s.*)?>(.+)</'.$endtag.'>#isU', $_body, $found);
if ($ct>0)
{
//error_log(__METHOD__.__LINE__.array2string($found[0]));
// only replace what we have found
$_body = str_ireplace($found[0],'',$_body);
}
// remove left over tags, unfinished ones, and so on
$_body = preg_replace('~<'.$tag.'[^>]*?>~si','',$_body);
}
if ($addbracesforendtag === false )
{
if (stripos($_body,'<'.$tag)!==false) $ct = preg_match_all('#<'.$tag.'(?:\s.*)?>(.+)'.$endtag.'#isU', $_body, $found);
if ($ct>0)
{
//error_log(__METHOD__.__LINE__.array2string($found[0]));
// only replace what we have found
$_body = str_ireplace($found[0],'',$_body);
}
/*
$_body = preg_replace('~<'.$tag.'[^>]*?>(.*?)'.$endtag.'~simU','',$_body);
*/
// remove left over tags, unfinished ones, and so on
$_body = preg_replace(array('~<'.$tag.'[^>]*?>~si', '~'.$endtag.'~'), '', $_body);
}
}
}
} }
static function transform_mailto2text($matches) static function transform_mailto2text($matches)
{ {
//error_log(__METHOD__.__LINE__.array2string($matches)); return Api\Mail\Html::transform_mailto2text($matches);
// this is the actual url
$matches[2] = trim(strip_tags($matches[2]));
$matches[3] = trim(strip_tags($matches[3]));
$matches[2] = str_replace(array('%40','%20'),array('@',' '),$matches[2]);
$matches[3] = str_replace(array('%40','%20'),array('@',' '),$matches[3]);
return $matches[1].$matches[2].($matches[2]==$matches[3]?' ':' -> '.$matches[3].' ');
} }
static function transform_url2text($matches) static function transform_url2text($matches)
{ {
//error_log(__METHOD__.__LINE__.array2string($matches)); return Api\Mail\Html::transform_url2text($matches);
$linkTextislink = false;
// this is the actual url
$matches[2] = trim(strip_tags($matches[2]));
if ($matches[2]==$matches[1]) $linkTextislink = true;
$matches[1] = str_replace(' ','%20',$matches[1]);
return ($linkTextislink?' ':'[ ').$matches[1].($linkTextislink?'':' -> '.$matches[2]).($linkTextislink?' ':' ]');
} }
/** /**
@ -219,244 +77,11 @@ class translation extends Api\Translation
* @param bool $stripcrl : flag to indicate for the removal of all crlf \r\n * @param bool $stripcrl : flag to indicate for the removal of all crlf \r\n
* @param bool $stripalltags : flag to indicate wether or not to strip $_html from all remaining tags * @param bool $stripalltags : flag to indicate wether or not to strip $_html from all remaining tags
* @return text $_html : the modified text. * @return text $_html : the modified text.
* @deprecated use Api\Mail\Html::convertHTMLToText
*/ */
static function convertHTMLToText($_html,$displayCharset=false,$stripcrl=false,$stripalltags=true) static function convertHTMLToText($_html,$displayCharset=false,$stripcrl=false,$stripalltags=true)
{ {
// assume input isHTML, but test the input anyway, because, return Api\Mail\Html::convertHTMLToText($_html, $displayCharset, $stripcrl, $stripalltags);
// if it is not, we may not want to strip whitespace
$isHTML = true;
if (strlen(strip_tags($_html)) == strlen($_html))
{
$isHTML = false;
// return $_html; // maybe we should not proceed at all
}
if ($displayCharset === false) $displayCharset = self::$system_charset;
//error_log(__METHOD__.$_html);
#print '<hr>';
#print "<pre>"; print htmlspecialchars($_html);
#print "</pre>";
#print "<hr>";
if (stripos($_html,'style')!==false) self::replaceTagsCompletley($_html,'style'); // clean out empty or pagewide style definitions / left over tags
if (stripos($_html,'head')!==false) self::replaceTagsCompletley($_html,'head'); // Strip out stuff in head
if (stripos($_html,'![if')!==false && stripos($_html,'<![endif]>')!==false) self::replaceTagsCompletley($_html,'!\[if','<!\[endif\]>',false); // Strip out stuff in ifs
if (stripos($_html,'!--[if')!==false && stripos($_html,'<![endif]-->')!==false) self::replaceTagsCompletley($_html,'!--\[if','<!\[endif\]-->',false); // Strip out stuff in ifs
$Rules = array ('@<script[^>]*?>.*?</script>@siU', // Strip out javascript
'@&(quot|#34);@i', // Replace HTML entities
'@&(amp|#38);@i', // Ampersand &
'@&(lt|#60);@i', // Less Than <
'@&(gt|#62);@i', // Greater Than >
'@&(nbsp|#160);@i', // Non Breaking Space
'@&(iexcl|#161);@i', // Inverted Exclamation point
'@&(cent|#162);@i', // Cent
'@&(pound|#163);@i', // Pound
'@&(copy|#169);@i', // Copyright
'@&(reg|#174);@i', // Registered
'@&(trade|#8482);@i', // trade
'@&#39;@i', // singleQuote
'@(\xc2\xa0)@', // nbsp or tab (encoded windows-style)
'@(\xe2\x80\x8b)@', // ZERO WIDTH SPACE
);
$Replace = array ('',
'"',
'#amper#sand#',
'<',
'>',
' ',
chr(161),
chr(162),
chr(163),
'(C)',//chr(169),// copyrighgt
'(R)',//chr(174),// registered
'(TM)',// trade
"'",
' ',
'',
);
$_html = preg_replace($Rules, $Replace, $_html);
// removing carriage return linefeeds, preserve those enclosed in <pre> </pre> tags
if ($stripcrl === true )
{
if (stripos($_html,'<pre ')!==false || stripos($_html,'<pre>')!==false)
{
$contentArr = self::splithtmlByPRE($_html);
foreach ($contentArr as $k =>&$elem)
{
if (stripos($elem,'<pre ')===false && stripos($elem,'<pre>')===false)
{
//$elem = str_replace('@(\r\n)@i',' ',$elem);
$elem = str_replace(array("\r\n","\n"),($isHTML?'':' '),$elem);
}
}
$_html = implode('',$contentArr);
}
else
{
$_html = str_replace(array("\r\n","\n"),($isHTML?'':' '),$_html);
}
}
$tags = array (
0 => '~<h[123][^>]*>\r*\n*~si',
1 => '~<h[456][^>]*>\r*\n*~si',
2 => '~<table[^>]*>\r*\n*~si',
3 => '~<tr[^>]*>\r*\n*~si',
4 => '~<li[^>]*>\r*\n*~si',
5 => '~<br[^>]*>\r*\n*~si',
6 => '~<br[^>]*>~si',
7 => '~<p[^>]*>\r*\n*~si',
8 => '~<div[^>]*>\r*\n*~si',
9 => '~<hr[^>]*>\r*\n*~si',
10 => '/<blockquote type="cite">/',
11 => '/<blockquote>/',
12 => '~</blockquote>~si',
13 => '~<blockquote[^>]*>~si',
14 => '/<=([1234567890])/',
15 => '/>=([1234567890])/',
16 => '/<([1234567890])/',
17 => '/>([1234567890])/',
);
$Replace = array (
0 => "\r\n",
1 => "\r\n",
2 => "\r\n",
3 => "\r\n",
4 => "\r\n",
5 => "\r\n",
6 => "\r\n",
7 => "\r\n",
8 => "\r\n",
9 => "\r\n__________________________________________________\r\n",
10 => '#blockquote#type#cite#',
11 => '#blockquote#type#cite#',
12 => '#blockquote#end#cite#',
13 => '#blockquote#type#cite#',
14 => '#lowerorequal#than#$1',
15 => '#greaterorequal#than#$1',
16 => '#lower#than#$1',
17 => '#greater#than#$1',
);
$_html = preg_replace($tags,$Replace,$_html);
$_html = preg_replace('~</t(d|h)>\s*<t(d|h)[^>]*>~si',' - ',$_html);
$_html = preg_replace('~<img[^>]+>~s','',$_html);
// replace emailaddresses eclosed in <> (eg.: <me@you.de>) with the emailaddress only (e.g: me@you.de)
self::replaceEmailAdresses($_html);
//convert hrefs to description -> URL
//$_html = preg_replace('~<a[^>]+href=\"([^"]+)\"[^>]*>(.*)</a>~si','[$2 -> $1]',$_html);
$_html = preg_replace_callback('~<a[^>]+href=\"([^"]+)\"[^>]*>(.*?)</a>~si','self::transform_url2text',$_html);
// reducing double \r\n to single ones, dont mess with pre sections
if ($stripcrl === true && $isHTML)
{
if (stripos($_html,'<pre ')!==false || stripos($_html,'<pre>')!==false)
{
$contentArr = self::splithtmlByPRE($_html);
foreach ($contentArr as $k =>&$elem)
{
if (stripos($elem,'<pre ')===false && stripos($elem,'<pre>')===false)
{
//this is supposed to strip out all remaining stuff in tags, this is sometimes taking out whole sections off content
if ( $stripalltags ) {
$_html = preg_replace('~<[^>^@]+>~s','',$_html);
}
// strip out whitespace inbetween CR/LF
$elem = preg_replace('~\r\n\s+\r\n~si', "\r\n\r\n", $elem);
// strip out / reduce exess CR/LF
$elem = preg_replace('~\r\n{3,}~si',"\r\n\r\n",$elem);
}
}
$_html = implode('',$contentArr);
}
else
{
//this is supposed to strip out all remaining stuff in tags, this is sometimes taking out whole sections off content
if ( $stripalltags ) {
$_html = preg_replace('~<[^>^@]+>~s','',$_html);
}
// strip out whitespace inbetween CR/LF
$_html = preg_replace('~\r\n\s+\r\n~si', "\r\n\r\n", $_html);
// strip out / reduce exess CR/LF
$_html = preg_replace('~(\r\n){3,}~si',"\r\n\r\n",$_html);
}
}
//this is supposed to strip out all remaining stuff in tags, this is sometimes taking out whole sections off content
if ( $stripalltags ) {
$_html = preg_replace('~<[^>^@]+>~s','',$_html);
//$_html = strip_tags($_html, '<a>');
}
// reducing spaces (not for input that was plain text from the beginning)
if ($isHTML) $_html = preg_replace('~ +~s',' ',$_html);
// restoring ampersands
$_html = str_replace('#amper#sand#','&',$_html);
// restoring lower|greater[or equal] than
$_html = str_replace('#lowerorequal#than#','<=',$_html);
$_html = str_replace('#greaterorequal#than#','>=',$_html);
$_html = str_replace('#lower#than#','<',$_html);
$_html = str_replace('#greater#than#','>',$_html);
//error_log(__METHOD__.__LINE__.' Charset:'.$displayCharset.' -> '.$_html);
$_html = html_entity_decode($_html, ENT_COMPAT, $displayCharset);
//error_log(__METHOD__.__LINE__.' Charset:'.$displayCharset.' After html_entity_decode: -> '.$_html);
//self::replaceEmailAdresses($_html);
$pos = strpos($_html, 'blockquote');
//error_log("convert HTML2Text: $_html");
if($pos === false) {
return $_html;
} else {
$indent = 0;
$indentString = '';
$quoteParts = preg_split('/#blockquote#type#cite#/', $_html, -1, PREG_SPLIT_OFFSET_CAPTURE);
foreach($quoteParts as $quotePart) {
if($quotePart[1] > 0) {
$indent++;
$indentString .= '>';
}
$quoteParts2 = preg_split('/#blockquote#end#cite#/', $quotePart[0], -1, PREG_SPLIT_OFFSET_CAPTURE);
foreach($quoteParts2 as $quotePart2) {
if($quotePart2[1] > 0) {
$indent--;
$indentString = substr($indentString, 0, $indent);
}
$quoteParts3 = explode("\r\n", $quotePart2[0]);
foreach($quoteParts3 as $quotePart3) {
//error_log(__METHOD__.__LINE__.'Line:'.$quotePart3);
$allowedLength = 76-strlen("\r\n$indentString");
// only break lines, if not already indented
if (substr($quotePart3,0,strlen($indentString)) != $indentString)
{
if (strlen($quotePart3) > $allowedLength) {
$s=explode(" ", $quotePart3);
$quotePart3 = "";
$linecnt = 0;
foreach ($s as $k=>$v) {
$cnt = strlen($v);
// only break long words within the wordboundaries,
// but it may destroy links, so we check for href and dont do it if we find it
if($cnt > $allowedLength && stripos($v,'href=')===false) {
//error_log(__METHOD__.__LINE__.'LongWordFound:'.$v);
$v=wordwrap($v, $allowedLength, "\r\n$indentString", true);
}
// the rest should be broken at the start of the new word that exceeds the limit
if ($linecnt+$cnt > $allowedLength) {
$v="\r\n$indentString$v";
//error_log(__METHOD__.__LINE__.'breaking here:'.$v);
$linecnt = 0;
} else {
$linecnt += $cnt;
}
if (strlen($v)) $quotePart3 .= (strlen($quotePart3) ? " " : "").$v;
}
}
}
//error_log(__METHOD__.__LINE__.'partString to return:'.$indentString . $quotePart3);
$asciiTextBuff[] = $indentString . $quotePart3 ;
}
}
}
return implode("\r\n",$asciiTextBuff);
}
} }
/** /**
@ -464,37 +89,10 @@ class translation extends Api\Translation
* @author Leithoff, Klaus * @author Leithoff, Klaus
* @param string html * @param string html
* @return mixed array of parts or unaffected html * @return mixed array of parts or unaffected html
* @deprecated use Api\Mail\Html::splithtmlByPRE
*/ */
static function splithtmlByPRE($html) static function splithtmlByPRE($html)
{ {
$searchFor = '<pre '; return Api\Mail\Html::splithtmlByPRE($html);
$pos = stripos($html,$searchFor);
if ($pos===false)
{
$searchFor = '<pre>';
$pos = stripos($html,$searchFor);
}
if ($pos === false)
{
return $html;
}
$html2ret[] = substr($html,0,$pos);
while ($pos!==false)
{
$endofpre = stripos($html,'</pre>',$pos);
$length = $endofpre-$pos+6;
$html2ret[] = substr($html,$pos,$length);
$searchFor = '<pre ';
$pos = stripos($html,$searchFor, $endofpre+6);
if ($pos===false)
{
$searchFor = '<pre>';
$pos = stripos($html,$searchFor, $endofpre+6);
}
$html2ret[] = ($pos ? substr($html,$endofpre+6,$pos-($endofpre+6)): substr($html,$endofpre+6));
//$pos=false;
}
//error_log(__METHOD__.__LINE__.array2string($html2ret));
return $html2ret;
} }
} }